<%@ page contentType="text/html" pageEncoding="UTF-8"%>
<% response.setContentType("text/html; charset=UTF-8");%>
<% request.setCharacterEncoding("utf-8");%>

<%
	HttpSession ss = request.getSession(false);
	if (ss != null) {
		ss.setAttribute("isLogin", false);
		ss.invalidate(); // destroy session
	}
	response.sendRedirect("index.jsp");
%>